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Finding the Third Proportional to 472,800.75 and 709,687.50

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Solution

The third proportional to 472,800.75 and 709,687.50 is: 1,065,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,800.75 : 709,687.50 = 709,687.50 : x
  2. Step 2: Convert to fraction form
    472,800.75/709,687.50 = 709,687.50/x
  3. Step 3: Cross multiply
    472,800.75x = 709,687.50 × 709,687.50
  4. Step 4: Simplify right side
    472,800.75x = 503,656,347,656.25
  5. Step 5: Solve for x
    x = 503,656,347,656.25/472,800.75
  6. Step 6: Final answer
    x = 1,065,261.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.